Assertion (A): Atomic mass of potassium ...

Assertion (A): Atomic mass of potassium is 39.
Reason (R ): An atom of postassium is 39 times heavier than `1//2th` of the mass of carbon atom `(C^(12))`.

A

If both (A) and (R ) are correct and (R ) is the correct explantion for (A)

B

If both (A) and (R ) are correct but (R ) is not the correct explantion for (A)

C

If (A) is correct but (R ) is incorrect.

D

If (A) and (R ) are incorrect.

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The correct Answer is:

A

Factual statement.

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